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Most property owners think about capital gains only when they sell. In fact, the Canada Revenue Agency (CRA) treats several other moments as if a sale had taken place, and each can require a fair market value that holds up under review. Knowing which moments those are, and documenting value properly when they occur, is the difference between a clean filing and a dispute years later.
The moments that trigger a deemed disposition
A capital gain can arise not only on a sale but on a gift of property, a transfer to a family member, an inheritance, or a change in how a property is used. In each case the CRA treats the property as having been disposed of at its fair market value, which means a value must be established for that date, whether or not money changed hands.
How the CRA defines fair market value
The CRA’s standard is precise. Fair market value is the highest price a property would bring in an open and unrestricted market, between informed and willing parties acting at arm’s length and under no compulsion to buy or sell. A defensible appraisal is prepared specifically to meet that definition, with the evidence and reasoning documented in full.
Why an estimate will not do
A realtor’s opinion or an online valuation is not prepared to CUSPAP and generally carries little weight with the CRA if a return is reviewed. The onus is on the taxpayer to support the value reported. A valuation by a designated appraiser is the document built for that purpose, which is why accountants and tax advisors rely on one when a figure has to be defended.
Change of use, and values from the past
Converting a principal residence to a rental, or a rental back to a principal residence, is a deemed disposition at the change of use date, and an appraisal establishes the value that sets your cost base going forward. Elections under section 45(2) or 45(3) may apply, and your accountant determines the tax treatment.
If a change of use or transfer happened years ago and was never valued, that is not a dead end. A retrospective appraisal reconstructs the market as it stood at the relevant date using archived evidence. There is no fixed limit on how far back this can reach, including the December 31, 1971 valuation date for property held before capital gains tax was introduced in Canada.
A simple division of labour
The appraiser establishes fair market value. Your accountant calculates the gain and handles the filing. Done in that order, with a properly dated and documented appraisal, your tax position rests on evidence rather than an estimate.
In practice. A Burnaby owner who had rented his home for years before moving back in triggered a deemed disposition on the change of use, requiring a retrospective value as of the date it stopped being a rental, three years earlier. We reconstructed the market as it stood then, separating what was observable at the time from anything learned since. The value supported his principal residence exemption calculation and was accepted without further inquiry.
Representative engagement. Names and details are fictitious and composited to protect client confidentiality, consistent with CUSPAP privacy requirements.
Key takeaways
- Sales, gifts, family transfers, inheritances, and changes of use can all require a fair market value for the CRA.
- The CRA’s standard is the arm’s length open market price on a specific date.
- A realtor’s opinion or online estimate is not a substitute for a CUSPAP appraisal.
- Retrospective appraisals can establish value for a date in the past, even decades back.
If you or your client need a defensible value for a tax filing, we work directly with accountants and tax advisors. Request a Consultation or read more on Taxation & Capital Gains Valuations.
General information, not tax advice. Your accountant will confirm how it applies to your situation.
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